Abstract
Abstract Electroretinography is a noninvasive method of evaluating retinal function, which is especially useful when evaluating patients with cataracts. This study was undertaken to characterize the normal latencies, amplitudes, and presence of oscillatory potentials in the electroretinogram of Hispaniolan Amazon parrots (Amazona ventralis). Six healthy 3-year-old parrots with clinically normal eyes were anesthetized with isoflurane. Electroretinograms were recorded in the light- and dark-adapted states with white light and in the dark-adapted state with white, red, and blue light. Oscillatory potentials were also recorded. The mean latency for the light-adapted a-wave was 11.35 (±1.54) milliseconds and for the light-adapted b-wave was 24.4 (±6.17) milliseconds. The mean amplitude of the light-adapted a-wave was 20.4 (±5.45) μV and of the light-adapted b-wave was 57.34 (±27.82) μV. The mean latency for the dark-adapted a-wave was 12.15 (±1.55) milliseconds and for the dark-adapted b-wave was 29.65 (±3.98)...
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